WO2003084250A3 - Digital stream transcoder - Google Patents
Digital stream transcoder Download PDFInfo
- Publication number
- WO2003084250A3 WO2003084250A3 PCT/US2003/009272 US0309272W WO03084250A3 WO 2003084250 A3 WO2003084250 A3 WO 2003084250A3 US 0309272 W US0309272 W US 0309272W WO 03084250 A3 WO03084250 A3 WO 03084250A3
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- run
- digital stream
- compressed frames
- transcoder
- stream transcoder
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/90—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
- H04N19/115—Selection of the code volume for a coding unit prior to coding
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
- H04N19/124—Quantisation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
- H04N19/13—Adaptive entropy coding, e.g. adaptive variable length coding [AVLC] or context adaptive binary arithmetic coding [CABAC]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
- H04N19/146—Data rate or code amount at the encoder output
- H04N19/147—Data rate or code amount at the encoder output according to rate distortion criteria
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
- H04N19/157—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
- H04N19/17—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
- H04N19/172—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a picture, frame or field
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/40—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using video transcoding, i.e. partial or full decoding of a coded input stream followed by re-encoding of the decoded output stream
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/48—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using compressed domain processing techniques other than decoding, e.g. modification of transform coefficients, variable length coding [VLC] data or run-length data
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
- H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
- H04N19/51—Motion estimation or motion compensation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
- H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
- H04N19/51—Motion estimation or motion compensation
- H04N19/547—Motion estimation performed in a transform domain
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
- H04N19/61—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Abstract
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA2480215A CA2480215C (en) | 2002-03-27 | 2003-03-27 | Digital stream transcoder |
EP03716842A EP1495638A4 (en) | 2002-03-27 | 2003-03-27 | Digital stream transcoder |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US36806802P | 2002-03-27 | 2002-03-27 | |
US60/368,068 | 2002-03-27 | ||
US10/397,658 | 2003-03-26 | ||
US10/397,658 US7236521B2 (en) | 2002-03-27 | 2003-03-26 | Digital stream transcoder |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2003084250A2 WO2003084250A2 (en) | 2003-10-09 |
WO2003084250A3 true WO2003084250A3 (en) | 2004-01-29 |
Family
ID=28678209
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2003/009272 WO2003084250A2 (en) | 2002-03-27 | 2003-03-27 | Digital stream transcoder |
Country Status (4)
Country | Link |
---|---|
US (2) | US7236521B2 (en) |
EP (1) | EP1495638A4 (en) |
CA (1) | CA2480215C (en) |
WO (1) | WO2003084250A2 (en) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7190723B2 (en) * | 2002-03-27 | 2007-03-13 | Scientific-Atlanta, Inc. | Digital stream transcoder with a hybrid-rate controller |
US8434116B2 (en) | 2004-12-01 | 2013-04-30 | At&T Intellectual Property I, L.P. | Device, system, and method for managing television tuners |
US8199825B2 (en) * | 2004-12-14 | 2012-06-12 | Hewlett-Packard Development Company, L.P. | Reducing the resolution of media data |
US7908627B2 (en) | 2005-06-22 | 2011-03-15 | At&T Intellectual Property I, L.P. | System and method to provide a unified video signal for diverse receiving platforms |
US20070147496A1 (en) * | 2005-12-23 | 2007-06-28 | Bhaskar Sherigar | Hardware implementation of programmable controls for inverse quantizing with a plurality of standards |
US20080260024A1 (en) * | 2006-10-03 | 2008-10-23 | Matsushita Electric Industrial Co., Ltd. | Method, device, integrated circuit, and transcoder for selectively reducing quantization levels |
WO2009075698A1 (en) * | 2007-12-11 | 2009-06-18 | Thomson Licensing | Methods and systems for transcoding within the distribution chain |
US20100278236A1 (en) * | 2008-01-17 | 2010-11-04 | Hua Yang | Reduced video flicker |
EP2351374A1 (en) * | 2008-11-25 | 2011-08-03 | Thomson Licensing | Methods and apparatus for sparsity-based de-artifact filtering for video encoding and decoding |
US9516375B2 (en) | 2008-12-02 | 2016-12-06 | Orckit Ip, Llc | Edge optimized transrating system |
US8374113B2 (en) | 2010-06-03 | 2013-02-12 | Cisco Technology, Inc. | Distributed gateway for reliable multicast wireless video |
US8811167B2 (en) | 2011-02-24 | 2014-08-19 | Cisco Technology, Inc. | Shaping multimedia stream bit-rates to adapt to network conditions |
US20130083840A1 (en) * | 2011-09-30 | 2013-04-04 | Broadcom Corporation | Advance encode processing based on raw video data |
US20130117418A1 (en) * | 2011-11-06 | 2013-05-09 | Akamai Technologies Inc. | Hybrid platform for content delivery and transcoding |
US9041721B2 (en) * | 2012-02-13 | 2015-05-26 | Nvidia Corporation | System, method, and computer program product for evaluating an integral utilizing a low discrepancy sequence and a block size |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20020159457A1 (en) * | 1997-06-26 | 2002-10-31 | Ji Zhang | System and method for transporting a compressed video and data bit stream over a communication channel |
US20020176504A1 (en) * | 2001-05-22 | 2002-11-28 | Andre Zaccarin | Method and apparatus for multi-rate encoding of video sequences |
US6526099B1 (en) * | 1996-10-25 | 2003-02-25 | Telefonaktiebolaget Lm Ericsson (Publ) | Transcoder |
Family Cites Families (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5614952A (en) * | 1994-10-11 | 1997-03-25 | Hitachi America, Ltd. | Digital video decoder for decoding digital high definition and/or digital standard definition television signals |
US5666161A (en) * | 1993-04-26 | 1997-09-09 | Hitachi, Ltd. | Method and apparatus for creating less amount of compressd image data from compressed still image data and system for transmitting compressed image data through transmission line |
US5537440A (en) * | 1994-01-07 | 1996-07-16 | Motorola, Inc. | Efficient transcoding device and method |
DE4416967A1 (en) * | 1994-05-13 | 1995-11-16 | Thomson Brandt Gmbh | Method and device for transcoding bit streams with video data |
US6141447A (en) * | 1996-11-21 | 2000-10-31 | C-Cube Microsystems, Inc. | Compressed video transcoder |
US5870146A (en) * | 1997-01-21 | 1999-02-09 | Multilink, Incorporated | Device and method for digital video transcoding |
US6058143A (en) * | 1998-02-20 | 2000-05-02 | Thomson Licensing S.A. | Motion vector extrapolation for transcoding video sequences |
US6570922B1 (en) * | 1998-11-24 | 2003-05-27 | General Instrument Corporation | Rate control for an MPEG transcoder without a priori knowledge of picture type |
US6434197B1 (en) * | 1999-01-07 | 2002-08-13 | General Instrument Corporation | Multi-functional transcoder for compressed bit streams |
US6400763B1 (en) * | 1999-02-18 | 2002-06-04 | Hewlett-Packard Company | Compression system which re-uses prior motion vectors |
US6259741B1 (en) * | 1999-02-18 | 2001-07-10 | General Instrument Corporation | Method of architecture for converting MPEG-2 4:2:2-profile bitstreams into main-profile bitstreams |
JP2000244872A (en) * | 1999-02-19 | 2000-09-08 | Toshiba Corp | Transcoder device |
EP1032212A3 (en) * | 1999-02-23 | 2004-04-28 | Matsushita Electric Industrial Co., Ltd. | Transcoder, transcoding system, and recording medium |
US6275536B1 (en) * | 1999-06-23 | 2001-08-14 | General Instrument Corporation | Implementation architectures of a multi-channel MPEG video transcoder using multiple programmable processors |
US6441754B1 (en) * | 1999-08-17 | 2002-08-27 | General Instrument Corporation | Apparatus and methods for transcoder-based adaptive quantization |
JP2003526237A (en) * | 2000-02-04 | 2003-09-02 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | Quantization method for bit rate transcoding applications |
US7020196B2 (en) * | 2000-03-13 | 2006-03-28 | Sony Corporation | Content supplying apparatus and method, and recording medium |
US6748020B1 (en) * | 2000-10-25 | 2004-06-08 | General Instrument Corporation | Transcoder-multiplexer (transmux) software architecture |
US7266148B2 (en) * | 2001-01-05 | 2007-09-04 | Lg Electronics Inc. | Video transcoding apparatus |
US6950463B2 (en) * | 2001-06-13 | 2005-09-27 | Microsoft Corporation | Non-compensated transcoding of a video stream |
KR100440952B1 (en) * | 2001-08-04 | 2004-07-21 | 삼성전자주식회사 | Bit rate changing method through change of codeword of compressed image bit stream and apparatus therefor |
US20030043908A1 (en) * | 2001-09-05 | 2003-03-06 | Gao Cheng Wei | Bandwidth scalable video transcoder |
US6959116B2 (en) * | 2001-09-18 | 2005-10-25 | Emc Corporation | Largest magnitude indices selection for (run, level) encoding of a block coded picture |
US7400774B2 (en) * | 2002-09-06 | 2008-07-15 | The Regents Of The University Of California | Encoding and decoding of digital data using cues derivable at a decoder |
US20060072667A1 (en) * | 2002-11-22 | 2006-04-06 | Koninklijke Philips Electronics N.V. | Transcoder for a variable length coded data stream |
-
2003
- 2003-03-26 US US10/397,658 patent/US7236521B2/en active Active
- 2003-03-27 CA CA2480215A patent/CA2480215C/en not_active Expired - Fee Related
- 2003-03-27 EP EP03716842A patent/EP1495638A4/en not_active Withdrawn
- 2003-03-27 WO PCT/US2003/009272 patent/WO2003084250A2/en active Application Filing
-
2007
- 2007-06-14 US US11/763,117 patent/US8155211B2/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6526099B1 (en) * | 1996-10-25 | 2003-02-25 | Telefonaktiebolaget Lm Ericsson (Publ) | Transcoder |
US20020159457A1 (en) * | 1997-06-26 | 2002-10-31 | Ji Zhang | System and method for transporting a compressed video and data bit stream over a communication channel |
US20020176504A1 (en) * | 2001-05-22 | 2002-11-28 | Andre Zaccarin | Method and apparatus for multi-rate encoding of video sequences |
Also Published As
Publication number | Publication date |
---|---|
US7236521B2 (en) | 2007-06-26 |
EP1495638A4 (en) | 2006-06-21 |
CA2480215A1 (en) | 2003-10-09 |
CA2480215C (en) | 2012-03-13 |
EP1495638A2 (en) | 2005-01-12 |
US20070237219A1 (en) | 2007-10-11 |
US8155211B2 (en) | 2012-04-10 |
US20030202583A1 (en) | 2003-10-30 |
WO2003084250A2 (en) | 2003-10-09 |
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